Service difficulty report · Cargo Track · Boeing 73776N

Difficulty date
December 29, 2022
Submitted
January 27, 2023
Operation
Air carrier
Aircraft
N7812G
Make and model
Boeing 73776N
Aircraft serial
32582
Aircraft time
56,870 hours, 33,864 cycles
Part
Cargo Track
Condition
Cracked
Location
Zone 100
Stage of operation
IN
How discovered
9
Nature of condition
O
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

CRACKED TRACK AT AFT CARGO BAY BS727E; BS767; RBL13.<[01] CRACKS ON CARGO TRACK WAS FOUND TO OUT OF LIMITS PER SRM 53-00-53-1A-2; CARGO TRACK REPLACEMENT REQUIRED.;[02] VERIFIED CORRECTIVE ACTION 1 AND MEASUREMENT TABLE;[03] REMOVED DAMAGED CARGO TRACK BS 727- 887 RBL 13 IAW SRM 51-40-02-0G-0; LOCATED AND DRILLED NEW CARGO TRACK BS 727- 887 RBL 13 IAW SRM 51-40-02-0G-0 AND DWG 146A7500. OK TO INSTALL EXCEPT SPLICE AT BS 755.;[04] VERIFIED CORRECTIVE ACTION 3.;[05] ACCOMPLISHED HFEC SURFACE SCAN IAW 737 NDTM PART 6 CHAPTER 51-00-00 PROCEDURE 23.<BR><BR>NO CRACKS NOTED.<BR><BR>EQUIPMENT USED: NORTEC 600 ID: ATS1465 CAL DUE: 09/2023.;[06] COMPLETED INSTALLATION OF NEW CARGO TRACK BS 727- 887 RBL 13 <BR> AND SPLICE AT BS 755 IAW SRM 51-40-02-0G-0 AND DWG 146A7500 AND EA 23-153-00110.;[07] VERIFIED CORRECTIVE ACTION STEP 6.;[08] REMOVED AND REPLACED TRACK PER SRM 53-00-53-3 REPAIR 3; EA 23-153-00110 AND DRAWING 146A7500.;[09] INSPECTION COMPLETE;[10] INSPECTION COMPLETE; VERIFIED MEASUREMENT TABLE

More about the Boeing 737-76N